/Engine/Source/Runtime/Engine/Classes/Components/SkeletalMeshComponent.h
Calls a function on each of the anim instances that this mesh component hosts, including linked and post-process instances
void ForEachAnimInstance ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([UAnimInstance](API\Runtime\Engine\Animation\UAnimInstance) *)> InFunction )